Inside Macintosh: Open Transport /

Chapter 16 - Serial Endpoint Providers / Serial Endpoint Providers Reference

Options

Protocol Level

You use this XTI constant when calling the OTOptionManagement function to establish the protocol type for an option you are using. You specify this value in the level field of the TOption stucture. This function and structure are described in the chapter "Option Management" in this book.

enum {
   COM_SERIAL     = = 'SERL'
};